Power on BIOS Frameworks Application BIOS Frameworks Application SCAN_INT main stub_vectors app_pre_init install exec_loop into idle chain IDLE_INT exec_loop (init) fwx_program_init fwx_init isr_init uart_init sie1_init install_descriptors set_up_buffers susb_init app_init IDLE_INT exec_loop sie1_idle submit_pending_buffers button_check File: C:\Documents\Cypress\Lyberty\FWX-models\fwx-model.mdl Frameworks (Peripheral) Page 1 (1, 1) app_button_handler 9:30:38 AM Wednesday, January 28, 2004 Sequence Diagram: Analysis Model / Frameworks button_check BIOS Application app_button_handler uart_idle app_task buffer_done_callback submit_pending_buffers File: C:\Documents\Cypress\Lyberty\FWX-models\fwx-model.mdl Frameworks (Peripheral) Page 2 (2, 1) 9:30:38 AM Wednesday, January 28, 2004 Sequence Diagram: Analysis Model /